This report presents the findings of tests and evaluations of several new work zone safety devices. The prototypes of the 25 devices were designed, developed, fabricated, tested, evaluated, and … [Read more...] about Maintenance Work Zone Safety Devices Development and Evaluation
Crash Cushions
Shields of Steel: California Introduces New Mobile Work Zone Protection Device
Inspired by a tragic Work Zone accident that injured 2 maintenance workers, California has introduced a mobile work protection system. The system, which is carried on a tractor-trailer, is … [Read more...] about Shields of Steel: California Introduces New Mobile Work Zone Protection Device
Oregon Department of Transportation Standard Drawings
The Standard Drawings are compliant with Oregon Standard Specifications. They are intended to communicate design standards and practices to the Design Engineer. It includes three sections: Roadway … [Read more...] about Oregon Department of Transportation Standard Drawings
Iowa DOT Standard Road Plans
The standard road plans contained in this manual (commonly referred to as the "Red Book") have been developed to show standardized design features, construction methods and approved materials to be … [Read more...] about Iowa DOT Standard Road Plans
Design and Construction of Transportation Facilities
The Transportation Research Circular, Number 363, "Research Problem Statements: Design and Construction of Transportation Facilities," includes information from research prepared to "provide guidance … [Read more...] about Design and Construction of Transportation Facilities
Development of a 100 km/h Reusable High Molecular Weight/High Density Polyethylene Truck Mounted Attenuator
This paper describes the development and full-scale crash testing of a reusable truck mounted attenuator that dissipates kinetic energy through the lateral deformation of a nested cluster of high … [Read more...] about Development of a 100 km/h Reusable High Molecular Weight/High Density Polyethylene Truck Mounted Attenuator